01st week of 2009 patent applcation highlights part 19 |
Patent application number | Title | Published |
20090001806 | METHOD AND SYSTEM TO INCREASE ELECTRIC BRAKE CLAMPING FORCE ACCURACY - The method and system for increasing accuracy of clamping force of electric aircraft carbon brakes, once braking has been commenced, provides a first pair of electric brake actuators with a range of low brake clamping force responsive to low brake clamping force commands, and a second pair of electric brake actuators with a range of high brake clamping force responsive to high brake clamping force commands. The first pair of electric brake actuators is actuated to apply a minimum residual braking force once wheel braking is commenced, and the second pair of electric brake actuators is actuated only when the commanded braking force is in the high range of brake clamping force. | 2009-01-01 |
20090001807 | BRAKE FLUID PRESSURE CONTROL APPARATUS FOR VEHICLE - Brake fluid pressure control apparatus includes: fluid pressure passage from a fluid pressure source to a wheel brake; pressure regulating valve arranged on the passage; pump for feeding pressurized brake fluid to the passage between the valve and the wheel brake; motor for driving the pump; and controller which controls an electric current applied to the valve in accordance with target fluid pressure for the wheel brake to control fluid pressure supplied to the wheel brake. The controller includes: means for converting the target fluid pressure into fluid volume and calculating required flow rate from this fluid volume; means for calculating required rotation speed of the motor from the required flow rate and on the basis of efficiency of the pump; and means for increasing the electric current applied to the valve for a predetermined value when the required rotation speed exceeds actual rotation speed of the motor. | 2009-01-01 |
20090001808 | VEHICLE BRAKE HYDRAULIC PRESSURE CONTROL UNIT | 2009-01-01 |
20090001809 | TENSION MANAGEMENT SYSTEM FOR AN ENDLESS TRACK OF A WORK MACHINE - A tension management system for generating tension in an endless track of a tracked work machine. The tension management system comprises a biasing element, an idler wheel, a swing link, an idler arm, and a pivotal bracket linking the biasing element with the idler arm. The biasing element generates force that is translated via the biasing arm to the pivotal bracket. The pivotal bracket provides a mechanical advantage in the translation of the force that enables the force exerted upon the swing link to be greater than the force generated by the biasing element. The idler arm connects the pivotal bracket to the swing link and exerts force on the swing link causing it to pivot. The idler wheel is mounted on the swing link and exerts force, generating tension, in the endless track as the swing link pivots. The tension management system enables a greater force to be exerted on the swing link than is generated by the biasing element, allowing for the use of smaller biasing elements than previously possible in conventional designs. | 2009-01-01 |
20090001810 | Power Unit of Underwater Vehicle - The present invention provides a power unit of an underwater vehicle, which allows reduction in size and weight of a transformer for stepping down a power voltage of a power supply to increase a loading amount of a variety of devices with respect to the underwater vehicle, so as to obtain a favorable operating environment. The power unit is connected to the power supply through a cable and receives power through the cable. Further, the power unit comprises an electronic transformer having: a rectifier for rectifying a high-voltage alternate current power of the power supply into a direct current; a high-frequency converter for converting an output of the rectifier into a high-frequency alternate current; a transformer for stepping down an output voltage of the high-frequency converter; a rectifier for rectifying an output of the transformer into a direct current; and a control circuit for controlling the high-frequency converter. | 2009-01-01 |
20090001811 | Electrical line conditioner - An electrical line conditioner or energy conservation device, a process of manufacturing thereof, and a method of use thereof. The energy conservation device, or electrical line conditioner, comprises at least two different electrochemically oxidized aluminum alloy units that may be placed near electrical lines or electrical panels or surround electrical lines to reduce energy consumption without compromising performance of a load. A first electrochemically oxidized aluminum alloy unit may be violet, a second electrochemically oxidized aluminum alloy unit may be black. The electrical line conditioner may further comprise a spacer and a band to secure the electrical line conditioner to electrical lines. The electrical line conditioner is produced using an anodizing process. | 2009-01-01 |
20090001812 | Fused Power Intercept - A modified vehicular fuse is disclosed wherein an end of a bus electrode can extend through a fuse housing where it may be connected to a wire and thereby provide an additional circuit. A removable cover on the modified vehicle fuse enables the fuse to be adapted to a multitude of uses. A cover can be optional, wherein the terminal extension can be protected in another manner. A circuit incorporating the modified vehicular fuse with a double U connector is also disclosed. The circuit may comprise a fuse comprising a shell and a pair of electrodes extending beyond the terminus of the shell, thus providing an additional fused circuit. | 2009-01-01 |
20090001813 | CONFIGURABLE INPUT HIGH POWER DC-DC CONVERTER - The invention relates to electrical power conversion and more specifically to a high power direct current-to-direct current (DC-DC) power converter. The DC-DC converter includes a plurality of input ports for receiving a plurality of inputs, each having current, voltage, and power, which can be selectively configured by a user. The DC-DC converter further includes a plurality of output channels for outputting current, voltage, and power, which may be selectively configured by a user. By allowing a user to configure both the inputs and outputs, the DC-DC converter may be utilized with wide variation of power conversion applications. | 2009-01-01 |
20090001814 | POWER GATING FOR MULTIMEDIA PROCESSING POWER MANAGEMENT - Circuitry for implementation of power gating within a multimedia processing environment is described. The disclosed circuitry supports effective power management for a multimedia display processor, which may include various components that operate separately from one another. In this manner, the disclosed circuitry can support power conservation and enhanced performance within a multimedia processing environment. In some aspects, headswitch or footswitch circuitry may be implemented to selectively connect and disconnect different logic components of a multimedia display processor to a power rail depending on the operating mode of the respective logic component, e.g., depending on whether the logic component is in an active or inactive mode. | 2009-01-01 |
20090001815 | Electrical Power Supply Apparatus - An electrical power supply apparatus has at least one electrical load connection to which an electrical load can be connected. A first electrical power supply connection can be connected to a mains supply network. A second electrical power supply connection is connected to an autonomous electrical power supply, such as a photovoltaic system. A switching apparatus switches the connection of the at least one electrical load connection to the first electrical power supply connection in mains operation or to the second electrical power supply connection in island operation. In order to improve the energy management during island operation, the at least one electrical load connection has at least one associated evaluation and control apparatus, which identifies the island operation of the electrical power supply apparatus and switches the at least one electrical load connection on or off, at least during island operation, as a function of preset criteria. | 2009-01-01 |
20090001816 | ELECTRICAL APPLIANCE THAT UTILIZES MULTIPLE POWER SOURCES - An electrical appliance ( | 2009-01-01 |
20090001817 | Single Coil Pair, Multiple Axis Inductive Power Coupling Apparatus and Method - An electronics support apparatus for rotating electronics is provided that eliminates the need for electrical contact brushes and/or reduces the number of inductive power coupling coil pairs required to provide power to the rotating electronics. With the apparatus, a single inductive power coupling coil pair is utilized in which the coils are oriented at approximately 90 degrees, i.e. at a right angle, to each other, e.g., the “outer” coil (secondary transformer coil) is oriented approximately 90 degrees to the “inner” coil (primary transformer coil). A transformer core, or “elbow core,” having an approximately 90 degree bend is provided for coupling the magnetic energy of the primary transformer coil with the secondary transformer coil, thus imparting or coupling energy simultaneously through 2 axes of motion. | 2009-01-01 |
20090001818 | POWER TRANSMISSION CONTROL DEVICE, POWER TRANSMISSION DEVICE, ELECTRONIC INSTRUMENT, AND NON-CONTACT POWER TRANSMISSION SYSTEM - A power transmission control device provided in a power transmission device of a non-contact power transmission system includes a drive clock signal generation circuit that generates a drive clock signal, a driver control circuit that generates a driver control signal based on the drive clock signal, a waveform detection circuit, and a control circuit. The waveform detection circuit includes a pulse width detection circuit that measures a first pulse width period to detect first pulse width information, the first pulse width period being a period between a first edge timing of the drive clock signal and a first timing, the first timing being a timing when a first induced voltage signal that has changed from a low-potential-side power supply voltage exceeds a first threshold voltage. The control circuit detects the power-reception-side load state based on the first pulse width information. | 2009-01-01 |
20090001819 | ELECTRIC POWER SUPPLY CUT-OFF CIRCUIT AND LIQUID DROPLET DISCHARGE APPARATUS - An electric power supply cut-off circuit comprises an IC which outputs a normal operation signal when the IC is operated normally, a switch which makes connection or disconnection between the IC and a power source, and a switching control circuit which continuously outputs a connection instruction signal during a period in which the normal operation signal is inputted from the IC, wherein the switch connects the IC and the power source when the connection instruction signal is inputted, and the switch cuts off the connection between the IC and the power source when the connection instruction signal is not inputted. Accordingly, it is possible to reliably avoid any excessive increase in the temperature of the IC and the ignition of the IC. | 2009-01-01 |
20090001820 | Electrical line conditioner - An electrical line conditioner or energy conservation device, a process of manufacturing thereof, and a method of use thereof. The energy conservation device, or electrical line conditioner, comprises at least two different electrochemically oxidized aluminum alloy units that may be placed near electrical lines or electrical panels or surround electrical lines to reduce energy consumption without compromising performance of a load. A first electrochemically oxidized aluminum alloy unit may be violet, a second electrochemically oxidized aluminum alloy unit may be black. The electrical line conditioner may further comprise a spacer and a band to secure the electrical line conditioner to electrical lines. The electrical line conditioner is produced using an anodizing process. | 2009-01-01 |
20090001821 | Chip Attack Protection - A system for protecting a chip with an integrated circuit disposed on a first surface, the system including, disposed on the first surface, a first antenna, signal analyzer, chip controller and a signal generator which is operative to supply an outbound signal for transmission by the first antenna, a circuit arrangement, disposed on a second surface of the chip, including a shielding arrangement and a second antenna to receive the outbound signal, the circuit arrangement being operative to transmit a return signal from the second antenna to the first antenna, such that a breach in the shielding arrangement results in a change in, or cessation of, the return signal for detection by the signal analyzer, and a chip controller disposed on the first surface being operative to perform an action on the integrated circuit in response to the detection of the breach. Related apparatus and methods also included. | 2009-01-01 |
20090001822 | Electrical Machine Having Plastic-Sheathed Pole Teeth, and a Corresponding Method - The production effort for electrical machines with pole teeth which are fitted with permanent magnets is intended to be reduced. A permanent magnet is inserted between two pole teeth halves ( | 2009-01-01 |
20090001823 | Magnet Assembly for a Linear Electromechanical Machine - A magnetic assembly for a linear electromechanical machine, the assembly comprising an annular support centered on an axis of reciprocation of the machine. A magnet assembly is attached to the annular support. The magnet assembly comprises at least one annular part which is substantially magnetic. The annular part has at least one non-conductive portion in a substantially radial plane and extending at least half of the way through the wall of the annulus. | 2009-01-01 |
20090001824 | TWO-PHASE SYNCHRONOUS ELECTRIC MOTOR WITH PERMANENT MAGNETS FOR MECHANICAL PRIMING WASHING PUMPS OF DISHWASHERS AND SIMILAR WASHING MACHINES - The present invention relates to a two-phase synchronous electric motor ( | 2009-01-01 |
20090001825 | MOTOR, FAN, ROTOR HOLDER AND MANUFACTURING METHOD OF THE SAME - The manufacturing method of a rotor holder according to the present invention includes a step in which a top plate portion having a substantially discoid shape substantially centered about a central axis, and a side wall portion extending from an outer circumferential edge of the top plate portion are formed simultaneously by feeding a metal plate in a predetermined direction and pressing the metal plate by a die. Also, the present manufacturing method includes a step in which a punched portion is formed at the side wall portion. | 2009-01-01 |
20090001826 | Rotor structure - A rotor includes: a magnet having a circular cylinder shape and having a hole formed through its axial center, wherein the hole has in axial cross section a regular polygonal shape having flat portions and angle portions, and wherein a recess having a truncated cone shape is disposed at an axial end of the magnet such that the recess has its maximum diameter portion located at the axial end and has its minimum diameter portion communicating with the hole; and a shaft fitted in the hole of the magnet, wherein the outer circumference of the shaft makes contact with the flat portions of the hole of the magnet thereby forming a plurality of gaps between the outer circumference of the shaft and the angle portions of the hole of the magnet, and adhesive is filled in the gaps. | 2009-01-01 |
20090001827 | ELECTRIC MACHINE AND METHOD FOR DETERMINING THE AXIAL POSITION OF BEARINGS FOR A ROTOR OF THE MACHINE - An electric machine contains a rotor which contains a first longitudinal section at the ambient air temperature and a second longitudinal section cooled at least partially to cryogenic temperature, a coolant inlet pipe extending into the second longitudinal section, wherein the inlet pipe is set at a distance from the rotor by a radial gap, wherein the inlet pipe in the first longitudinal section is mounted by at least two bearings, wherein the bearings are distributed on axial positions in such a way that upon action of a maximum radial force on the inlet pipe the pipe has a maximum deflection which is smaller than the radial gap. In a method for determining the axial positions, various batches of potential locations are chosen for the axial positions of the bearings, according to potential locations which has a minimum gap greater than zero. | 2009-01-01 |
20090001828 | Electric Motor with a Low Number of Revolutions, in Particular to Drive Lifting Devices - An electric motor ( | 2009-01-01 |
20090001829 | ELECTRIC MOTOR WITH BRUSH - General versatility of a brush holder is enhanced regarding a difference of specifications of connector parts, and costs of an electric motor with brush are reduced. A pair of brush-side connection terminals electrically connected to brushes is provided to a brush holder mounted inside a motor yoke. A connector part and a pinching part are provided in a connector unit formed separately from the brush holder, power connection terminals are provided in the connector part, and connector-side connection terminals electrically connected to the power connection terminals are provided inside the pinching part. The pinching part is disposed so as to overlap with the brush holder axially, thereby electrically connecting the brush-side connection terminals and the connector-side connection terminals, and the brushes are electrically connected respectively to the power connection terminals, and the pinching part is sandwiched and fixed between the motor yoke and a gear case. | 2009-01-01 |
20090001830 | CALIBRATION OF A GENERATOR DEVICE - Methods are provided for calibrating a tachometer or generator device to reduce residual errors associated with the tachometer-generator device. A shim structure is positioned within the air gap of the tachometer-generator device. A physical characteristic or location of placement of the shim structure is selected to reduce variation in an output voltage of the tachometer-generator device. | 2009-01-01 |
20090001831 | Axial Field Electric Motor and Method - A hybrid field, brushless, permanent magnet electric motor utilizing a rotor with two sets of permanent magnets oriented such that the flux produced by the two sets of magnets is perpendicular to each other. A plurality of axial flux permanent magnets are positioned radially interiorly of a plurality of radial flux permanent magnets. Axial stators interact with the axial flux permanent magnets. A radially positioned stator interacts with radial flux permanent magnets. In one configuration, an electronic feedback system is created that magnetically clamps and holds the hybrid rotor in its axially centrally aligned position, thereby reducing axial vibrations. | 2009-01-01 |
20090001832 | COMMUTATOR, DIRECT-CURRENT MOTOR, AND METHOD FOR MANUFACTURING COMMUTATOR - A commutator having a plurality of segments, a short-circuit member assembly, a holding portion, and a plurality of spacing members is disclosed. The short-circuit member assembly includes a plurality of short-circuit pieces. Each short-circuit piece has an outer terminal, an inner terminal arranged radially inward from the outer terminal and circumferentially offset from the outer terminal at a predetermined offset angle, and a connecting portion connecting the inner terminal to the outer terminal. The holding portion covers the segments and at least a portion of the short-circuit member assembly to hold the segments and the short-circuit member assembly. The spacing members each have an insulated support portion and a plurality of insulated spacing projections formed integrally with the support portion. Each support portion extends in a radial direction of the short-circuit member assembly. The spacing projections are arranged in the direction in which the corresponding support members extend in such a manner that the spacing projections are each provided between the corresponding circumferentially adjacent pair of the connecting portions. | 2009-01-01 |
20090001833 | MAGNETIC MOTOR - A magnetic motor includes a rotor and a stator, in which there are magnets and materials of high magnetic permeability. The stator magnets are arranged with surfaces facing the rotor magnets in a staggered arrangement. The motor may be used to boost torque, for example in bicycles. | 2009-01-01 |
20090001834 | Permanent magnet motor - There is disclosed herein a Permanent Magnet powered motor that can be used in many applications. Larger units can be used to power automobiles based on rotor design and strength of magnets while smaller units can provide rotating power similar to any electric motor application. Electric power is not required to operate this motor thus removing the need for electrical power except for resistance components such as lighting. | 2009-01-01 |
20090001835 | Axial air gap type electric motor - An axial air gap type electric motor is constructed such that even if a relatively large force is added in the vertical direction to the rotor output, the bearings are protected against damage. The axial air gap type electric motor includes a stator and two rotors each of which is configured almost with a discoid shape and which are arranged as facing one another on a common rotation axle with a fixed gap being present therebetween. The stator has a stator core comprising multiple pole members connected annularly. One of the bearings for fixing the rotor output axle is installed inside the stator configured annularly and another bearing is installed on the rotor output axle between the outside of said rotor and the load connected. | 2009-01-01 |
20090001836 | Spindle Motor - A spindle motor is provided. The spindle motor comprises a bearing housing, a bearing, a rotating shaft, a stator around, a rotor, and a first magnet. The bearing is fixed inside the bearing housing. The rotating shaft is rotatably inserted into the bearing. The stator surrounds the bearing housing. The rotor is fixed to the rotating shaft to rotate by interaction thereof with the stator. The first magnet surrounds the rotating shaft to attract the rotating shaft in one side direction. | 2009-01-01 |
20090001837 | Hollow Motor Drive Device - A hollow motor drive device includes a screw shaft provided with a spiral screw groove formed in an outer peripheral surface thereof, a nut member screw-engaged with the screw groove, a hollow drive shaft having an inner peripheral side on which the nut member is fixed and an outer peripheral side on which a permanent magnet is disposed, and a housing provided with a bearing portion rotatably supporting the hollow drive shaft and a coil portion. In the hollow drive shaft, the nut member and the permanent magnet are disposed so as not to be overlapped with each other in a direction perpendicular to the axial direction of the hollow drive shaft, and in the housing, the bearing portion is disposed to a position corresponding to the nut member, and the coil portion is disposed to a position corresponding to the permanent magnet. | 2009-01-01 |
20090001838 | Rotating Electrical Machine - There is provided a rotating electrical machine capable of suppressing backlash of a magnet in the trust direction and suppressing an axial variation in the fitting position of the magnet. A magnet holder | 2009-01-01 |
20090001839 | Rotating Electrical Machine - There is provided a rotating electrical machine capable of suppressing backlash of a magnet in the radial direction and suppressing an axial variation in the fitting position of the magnet. A magnet holder | 2009-01-01 |
20090001840 | Electrical Machine, In Particular an Alternator - The invention relates to an electrical machine, especially an alternator ( | 2009-01-01 |
20090001841 | Rotation electric machine having a wave winding coil with cranked crossover conductor, distributed winding stator, and method and apparatus for forming same - The invention provides a distributed winding stator using a rectangle conductor as coil, realizing a miniaturized coil end and reduced current density compared to the prior art stator, so as to obtain a miniaturized rotation electric machine with high power. The distributed winding stator is formed by wave winding a conductor source wire having a rectangular cross-section, wherein the wire is cranked so that parietal regions on both ends are displaced corresponding to the width of the source wire and that the length is within the range of intervals between adjacent slots, and inserting the wave winding coil into slots of the stator. | 2009-01-01 |
20090001842 | BRUSH HOLDER APPARATUS, BRUSH ASSEMBLY, AND METHOD - Devices and methods of use for brush holder assemblies are disclosed. Brush holder assemblies including a mounting block and a brush holder are disclosed. Also illustrated is a brush holder assembly including a first portion in sliding engagement with a second portion. In some embodiments the brush holder includes a channel, such that at least a portion of the mounting block is disposed within the channel of the brush holder. | 2009-01-01 |
20090001843 | ROTATING ELECTRICAL MACHINE - A rotating electrical machine includes: a claw pole stator constituted with a stator core that includes a plurality of claw poles and a stator coil wound inside the stator core; and a rotor rotatably disposed at a position facing opposite the claw poles. The stator core is constituted of split blocks each corresponding to at least one of magnetic pole pairs each made up with two claw poles assuming different magnetic polarities when an electric current is supplied to the stator coil. | 2009-01-01 |
20090001844 | Motor adopting improved mechanism - A motor adopting an improved mechanism is composed of a stator having a shaft and a rotor provided with a sleeve and a hub, wherein the shaft is inserted into the hub and the hub is fixed on an outer circumferential surface of the sleeve. The outer circumferential surface of the sleeve is provided with a first outer circumferential surface, a second outer circumferential surface and a receiving surface that links between the first and second outer circumferential surfaces. The hub is provided with a base section, a through hole and a first protruded section protruding downward from the base section. A tip end portion of the first protruded section is provided with a hitting surface that contacts with the receiving surface of the sleeve and a second protruded section that links to the contacting surface and protrudes downward from the contacting surface. | 2009-01-01 |
20090001845 | ACTUATOR - An actuator of the present invention includes a moving part, and a driving electrode which is comprised of electrode parts electrically isolated from each other and drives the moving part. A drive voltage is applied selectively to some of the electrode parts to control an electrostatic force which acts on the moving part. | 2009-01-01 |
20090001846 | Electrostatic Surface Drive With Multiple Operating Voltages - An apparatus includes a first array of electrodes and a second array of electrodes separated by a gap, and a controller for imposing a voltage on a plurality of electrodes in the first array of electrodes, wherein the magnitude of the voltage changes in response to an operating parameter of the apparatus. | 2009-01-01 |
20090001847 | MICRO-OSCILLATION ELEMENT AND ARRAY OF MICRO-OSCILLATION ELEMENTS - A micro-oscillation element includes a base frame, an oscillating portion, and a link portion connecting the base frame and the oscillating portion to each other. The oscillating portion has a movable functional portion, a first driving electrode connected to the movable functional portion, and a weight portion joined to the first driving electrode. The link portion defines an axis of the oscillating motion of the oscillating portion. The second driving electrode, fixed to the base frame, generates driving force for the oscillating motion in cooperation with the first driving electrode. | 2009-01-01 |
20090001848 | PIEZOELECTIC RESONATOR AND PIEZOELECTRIC FILTER - A piezoelectric resonator includes a laminated thin film having a first thin film portion supported by a substrate and a second thin film portion spaced apart from a first main surface of the substrate and acoustically isolated from the substrate. The second thin film portion of the laminated thin film includes a piezoelectric thin film, a first electrode disposed on the upper surface of the piezoelectric thin film, and a second electrode disposed on the lower surface of the piezoelectric thin film and being larger and thicker than the first electrode. The piezoelectric resonator further includes a mass adding film disposed around the first electrode and on at least one portion of a region extending outward from the periphery of a piezoelectric vibrating portion at which the first and second electrodes overlap each other with the piezoelectric thin film disposed therebetween. The second electrode arranged so as to extend beyond the piezoelectric vibrating portion to a region at which the mass adding film is disposed. | 2009-01-01 |
20090001849 | Piezoelectric component and manufacturing method thereof - A piezoelectric component with a piezoelectric element includes a piezoelectric substrate, at least one oscillating section formed on the piezoelectric substrate, and an element wiring section connected to the oscillating section. A side face side hollow section forming layer and a lid face side hollow section forming layer made of photosensitive resin surround the top face and side face of the oscillating section while forming a gap so as to provide a hollow section. | 2009-01-01 |
20090001850 | SAW SENSOR WITH ADJUSTABLE PRELOAD - A SAW based sensor having a base and a lid engageable with the base to form an internal cavity therewith. A substrate is supported in the cavity on either tile base or the lid 13 and a dimple 16 is formed on the other which extends towards the substrate so as to engage against the substrate and apply a preload thereto. The base and lid include complementary threads by means of which they are attachable to each other. The preload applied to the substrate by the dimple 16 is adjustable by varying the rotational position of the lid relative to the base. | 2009-01-01 |
20090001851 | DRIVING APPARATUS, HOLDING APPARATUS, EXPOSURE APPARATUS, AND DEVICE FABRICATION METHOD - The present invention provides a driving apparatus which drives an object, comprising a plurality of piezoelectric elements configured to drive a plurality of portions of the object, a plurality of voltage apply units configured to apply voltages to the plurality of piezoelectric elements, and a control unit configured to control the plurality of voltage apply units so that differences among the voltages applied to the plurality of piezoelectric elements do not exceed a predetermined value. | 2009-01-01 |
20090001852 | Piezoelectric actuator, piezoelectric actuator device, lens barrel, optical device and manufacturing method thereof - A piezoelectric actuator comprises a first piezoelectric element pre-polarized towards a first direction and displaceable towards an about orthogonal direction with respect to said first direction, a second piezoelectric element pre-polarized towards a direction about parallel to the first direction and displaceable towards a direction about parallel to said first direction, a relative moving member clamped by displacement of said first piezoelectric element and relatively moves by displacement of said second piezoelectric element. | 2009-01-01 |
20090001853 | ULTRASOUND TRANSDUCER MANUFACTURED BY USING MICROMACHINING PROCESS, ITS DEVICE, ENDOSCOPIC ULTRASOUND DIAGNOSIS SYSTEM THEREOF, AND METHOD FOR CONTROLLING THE SAME - An ultrasound transducer manufactured by using a micromachining process comprises: a first electrode into which a control signal for transmitting ultrasound is input; a substrate on which the first electrode is formed; a second electrode that is a ground electrode facing the first electrode with a prescribed space between the first and second electrodes; a membrane on which the second electrode is formed and which vibrates and generates the ultrasound when a voltage is applied between the first and second electrodes; a piezoelectric film contacting the membrane; and a third electrode electrically continuous to the piezoelectric film. | 2009-01-01 |
20090001854 | DRIVING APPARATUS - A driving apparatus has a piezoelectric element as a driver. The driving apparatus includes a first vibrator which generates an elliptical vibration when a voltage of a predetermined frequency is applied; a first member which holds the first vibrator; a second member which includes a first sliding member to which the first vibrator is pressed and makes a relative displacement with respect to the first member by being driven by the elliptical vibration of the first vibrator; and a first resonance preventive member which is provided to the second member and prevents a resonance in the second member from being generated by the elliptical vibration of the first vibrator. | 2009-01-01 |
20090001855 | ELECTROACTIVE POLYMER TRANSDUCERS FOR SENSORY FEEDBACK APPLICATIONS - Electroactive polymer transducers for sensory feedback applications are disclosed. | 2009-01-01 |
20090001856 | PIEZOELECTRIC RESONATOR AND MANUFACTURING METHOD THEREFOR - A piezoelectric resonator includes a piezoelectric resonator element having a base portion and a resonating arm extending from the base portion, a package including a bottom to which the piezoelectric resonator element is fixed and a frame wall that surrounds the bottom and having an opening above the bottom, and a lid for closing the opening of the package. In this piezoelectric resonator, the lid includes a main body having a through-hole formed therein, a flange formed to surround a periphery of the main body and to be thinner than the main body, and an optically transparent member located in the through-hole. The flange has a joining portion with an upper end surface of the frame wall, and the main body projects in a direction from the flange to the bottom in a thickness direction. Also, the through-hole is at a position displaced in a first direction approaching a first end of the main body from a center of the main body. Also, the flange is joined with the frame wall such that a clearance between the first end and the joining portion of the flange nearest to the first end is larger than a clearance between a second end in a second direction opposite to the first direction of the main body and the joining portion of the flange nearest to the second end. | 2009-01-01 |
20090001857 | Automotive alternator having rectifier device - An automotive alternator mounted on a vehicle for generating electric power includes front and rear frames, a cylindrical stator and a rotor. The cylindrical stator is contained in the frames, and the rotor is rotatably supported in the cylindrical stator. A rectifier device for rectifying alternating current generated in the stator into direct current is mounted on a rear surface of the rear frame and covered with a rear cover. To sufficiently cool minus rectifier elements positioned at a place not easily cooled only by the outside cooling air introduced into the alternator, a base portion of the minus rectifier element is contacted to the rear frame thereby to establish heat conduction therebetween. A resilient heat-conductive member is disposed between the base plate and the rear frame to absorb any dimensional discrepancies therebetween. | 2009-01-01 |
20090001858 | Adaptive Projection Television Screen Mounting Clamps - Strip mounts on the top and bottom screen mounting brackets for holding a projection display screen in place while accommodating screen tolerances are disclosed. The strip mounts have a C-shaped profile that holds the display screen in place. The screen mounting brackets are elongate, stiff members. | 2009-01-01 |
20090001859 | Furniture system - A furniture system which is readily reconfigurable into a variety of work surface configurations and shelving configurations as well as additional component configurations associated therewith so as to readily adapt the furniture system to the specific needs of an office area. The system includes a system of brackets which readily accommodates mounting of work surfaces at a variety of elevations, and a shelving system which maintains shelves of different materials and thicknesses so that the top surfaces thereof align in a common plane. | 2009-01-01 |
20090001860 | OFFICE FURNITURE SYSTEM WITH INTEGRAL ELECTRONIC COMPONENTS - An office furniture system with integral electronic components comprises at least one vertically oriented prefabricated furniture panel. The panel can be free standing or wall or desk mounted, and has a structural frame providing a hollow interior to the panel. The panel is thick enough to house electronic components in its interior, and the frame has compartments for separately housing computer components, so that each component can be replaced separately. The system also includes one or more work surface components mounted on the vertical furniture panels that are not obstructed by the computer components mounted in the vertical panel. The panel also can include pivotal storage bins for files or the like. | 2009-01-01 |
20090001861 | Retail in-cabinet refrigeration and storage unit - A cooling apparatus in the form of a refrigeration and storage apparatus employs a cooling unit, such as a thermoelectric module. Forced cool air is circulated in a storage compartment containing retail merchandise. An air duct extends from an intake on one side of a door on the front of storage compartment to the rear of the apparatus where air passes by hot side sink and air is then exhausted on a opposite side of the door. The refrigeration and storage apparatus can be mounted in a cabinet or on a shelf and can be surrounded by other item without obstruction of the air duct intake and exhaust and without heating adjacent items. | 2009-01-01 |
20090001862 | Adjustable Width Vanity and Method for Securing an Adjustable Width Vanity - An adjustable width vanity has a main body that can be positioned relative to a side unit so that the overall width of the vanity can be adjusted to fit within a variety of stalls having different widths. | 2009-01-01 |
20090001863 | RACK FRAME STRUCTURE AND METHOD OF ASSEMBLING SAME - A cabinet having a frame, a plurality of posts and a plurality of connector assemblies. The connector assemblies adapted to connect the posts to the frame. The connector assembly is provided with a gusset rigidly supported by the frame, and a clamp plate supported by the gusset and spaced a distance therefrom to form a channel between at least a portion of the gusset and the clamp plate. At least a portion of the post positioned within the channel and clamped between the gusset and the clamp plate. | 2009-01-01 |
20090001864 | SLIDE RAIL ASSEMBLY - A slide rail assembly includes an outer slide rail having a protrusion, an intermediate slide rail having a slot, an inner slide rail having a release portion, a latch member slidably attached to a slot of the intermediate slide rail, and a resilient member connected to the latch member for returning the latch member to an original position. The latch member includes first and second engaging portions located at opposite sides of the intermediate slide rail respectively. The protrusion is capable of engaging with the second engaging portion of the latch member to stop the intermediate slide rail sliding into the outer slide rail together with the inner slide rail. The release portion of the inner slide rail is capable of engaging with the first engaging portion to bias the latch member to slide along the slot to release the intermediate slide rail from the outer engaging portion. | 2009-01-01 |
20090001865 | SLIDE SYSTEM FOR DRAWERS OR SHELVES IN AN APPLIANCE - The present invention refers to a drawer, shelf or grill to be implemented inside a cavity and comprising at least a pair of vertical walls provided with a series of ribs having a recess at its top surface, and a runner travels on said recess, which is preferably over the lateral back side of said drawer, shelf or grill. The runner is located over a pair of bars that operate as slides that delimit and guide its travel, thereby producing a longer draw-out distance for said drawer, shelf or grill, thus improving their storage ability. | 2009-01-01 |
20090001866 | Refrigeration unit - In a refrigeration unit including a variable performance compressor driven by an inverter motor, a sensor is configured to detect a physical amount corresponding to a refrigerant pressure on the high-pressure side of a refrigerant circuit. A measured value of the physical amount is compared with a first reference value corresponding to a first predetermined pressure of the refrigerant and a second reference value corresponding to a second predetermined pressure lower than the first predetermined pressure. A protective operation can start if the comparison result indicates that an actual refrigerant pressure is higher than the first predetermined pressure. The performance of the compressor can be gradually lowered if the comparison result indicates that an actual refrigerant pressure is between the first predetermined pressure and the second predetermined pressure. | 2009-01-01 |
20090001867 | PIXEL TUBE FOR FIELD-EMISSION DISPLAY DEVICE - A pixel tube for a field-emission illumination/display device includes a sealed container, an anode electrode, a cathode electrode and a shielding electrode. The sealed container has a light permeable portion. The anode electrode is disposed in the sealed container and adjacent to the light permeable portion. The cathode electrode is arranged in the sealed container facing the anode electrode and includes a cathode supporter and a carbon nanotube yarn, the carbon nanotube yarn attached to the cathode supporter and extending toward the anode electrode for emitting electrons therefrom. The shielding electrode is disposed on a surface of the sealed container and surrounds/encircles the carbon nanotube yarn. | 2009-01-01 |
20090001868 | Image display device and manufacturing method thereof - An image display device comprising a back-surface substrate ( | 2009-01-01 |
20090001869 | Led with Phosphor Layer Having Different Thickness or Different Phosphor Concentration - A light-emitting device ( | 2009-01-01 |
20090001870 | Image Display Apparatus - A protruded portion of an adjacent scan line is provided along one of longer sides of an electron emission area, for functioning as a focusing electrode. A feeding electrode is provided along the other longer side of the electron emission part. Use of this arrangement improves the ability to feed current from a scan line(s). Thus, a distribution of drive current within an element electrode is dispersed, thereby to improve the reliability of an electron emission element. Additionally, in the case of a thin-film electron source being used as this element, the improvement in current feeding ability enables a top electrode to decrease in thickness, thus increasing the electron emission efficiency. | 2009-01-01 |
20090001871 | Light emission device and display device using the light emission device as a light source - A light emission device, which can enhance degree of vacuum in a vacuum vessel by increasing an adsorption efficiency of a getter, and a display device using the light emission device for a light source are provided. The light emission device includes a vacuum vessel having first and second substrates facing each other with a predetermined distance therebetween, and a sealing member disposed between the first and second substrates and enclosing an inner space formed between the first and the second substrates. An electron emission unit is located on one side of the first substrate and having a plurality of electron emission regions. A light emission unit is located on one side of the second substrate and having an anode electrode and a phosphor layer. A getter layer is disposed on an inner surface of the sealing member that faces an inner space of the vacuum vessel. | 2009-01-01 |
20090001872 | ZINC OXIDE THIN FILM ELECTROLUMINESCENT DEVICES - A thin film electro-luminescent device (TFEL) includes an active layer made of a direct bandgap semiconductor material, e.g. zinc oxide, doped with exciton binding centers, such as aluminum, in small amounts, e.g. 0.001 at % to 30.0 at %. The exciton binding centers prevent free excitons, created by impact ionization, from diffusing toward and recombining at native defect centers. To provide a columnar structure, a polycrystalline seed layer is deposited first to provide a template, followed by the deposition of an overlying layer forming columns in accordance with the template. | 2009-01-01 |
20090001873 | Organic Light Emitting Diode with Increased Radical Anion Stabiilty and Applications Thereof - An organic light emitting diode (OLED) having an improved service life and improved transport of negative charge carriers. The organic light emitting diode based on an organic semiconductor material in which the transport of negative charge carriers and the stability with respect to reduction are determined by azahetarylene/Lewis acid complex units. This leads to an improved service life of the emission layer, which firstly increases the service life of the component and avoids readjustment of the brightness during operation. Organic light emitting diodes are disclosed in which the position of the emission zone in the emitter layer and the color of the emission can be specifically influenced by azahetarylene/Lewis acid complex units. | 2009-01-01 |
20090001874 | ARYLAMINE COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING IT - The present invention discloses an arylamine compound which can be used as hole-injecting or/and hole transporting material or/and emitting host/guest in organic electroluminescence devices is disclosed. The mentioned arylamine compound is represented by the following formula(I) and formula(II): | 2009-01-01 |
20090001875 | ORGANIC LIGHT-EMITTING DEVICE INCORPORATING MULTIFUNCTIONAL OSMIUM COMPLEXES - Fabrication of organic light-emitting devices is disclosed by employing the efficient, multifunctional orange-red emitting osmium complex in combination with a second phosphorescent complex showing strong emission at the shorter wavelength region such as blue or blue-green emitting iridium (Ir) complex. The present invention provides WOLEDs with forward viewing efficiencies up to (17% photon/electron, 35.6 cd/A, 28 lm/W) and total peak external efficiencies up to (28.8%, 47.5 lm/W), giving the conceptual design for the highly efficient and color-stable phosphorescent WOLEDs. | 2009-01-01 |
20090001876 | Organic electroluminescent device and display device - An organic electroluminescent device, having an organic compound layer including two or more layers including at least a buffer layer and an emitting layer, wherein at least one of the organic compound layers other than the buffer layer contains at least one charge-transporting polyester represented by Formula (I-1) or (I-2), and the buffer layer is formed in contact with an anode and contains a crosslinked compound formed by using at least one charge injection material containing a substituted silicon group and represented by Formula (III). | 2009-01-01 |
20090001877 | ORGANIC LIGHT EMITTING DEVICE - An organic light emitting device is disclosed. The organic light emitting device includes a first substrate, a display unit that is positioned on the first substrate and includes a plurality of subpixels, a second substrate facing the first substrate, a seal member attaching the first substrate to the second substrate, and at least one projection. The seal member substantially has a water vapor permeation rate of 10 | 2009-01-01 |
20090001878 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic electroluminescent device includes an anode, a cathode and an organic functional layer between the anode and the cathode, in which at least one of hole injection layer, hole transport layer and electron transport layer includes a host material and an inorganic inactive material doped in the host material, and the inorganic inactive material is a halide, oxide or carbonate of metal. | 2009-01-01 |
20090001879 | LIGHT-EMITTING DEVICE, METHOD FOR MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS - The present invention provides a light-emitting device including a light-emitting element over a substrate, the light-emitting element is partitioned from an adjacent light-emitting element by a partition wall, the light-emitting element comprising a first electrode, a layer formed over the first electrode, a light-emitting layer formed over the layer and a second electrode formed over the light-emitting layer, the layer contains an inorganic compound, an organic compound and a halogen atom, the partition wall contains the inorganic compound and the organic compound, and the layer. The light-emitting device provides higher reliability and fewer defects. | 2009-01-01 |
20090001880 | ORGANIC ELECTROLUMINESCENT DEVICE, AN AZEPINE COMPOUND, AND A METHOD FOR MAKING THE SAME - An organic electroluminescent device having a pair of electrodes, and at least one organic layer interposed between the pair of electrodes, with the organic layer containing at least one compound represented by formula (1): | 2009-01-01 |
20090001881 | ORGANIC EL DISPLAY AND MANUFACTURING METHOD THEREOF - The present invention provides an organic electroluminescence display having an organic electroluminescence element including, on a substrate, at least a lower electrode, an organic layer including at least a light-emitting layer, and an upper electrode in this order, and on the upper electrode, a thin film field effect transistor which includes at least a gate electrode, a gate insulating layer, an active layer, a source electrode and a drain electrode and drives the organic electroluminescence element, wherein the active layer includes an oxide semiconductor; and a manufacturing method thereof. | 2009-01-01 |
20090001882 | White Light Emitting Organic Electroluminescent Device - Provided is a white light emitting organic electroluminescent device, which includes a transparent substrate, a first element, and a second element. The first element includes a first anode, a first element organic layer, and a reflective cathode sequentially disposed on a first substrate of the transparent substrate. The second element includes a second anode, a second element organic layer, and a transparent or translucent cathode sequentially disposed on a second surface of the transparent substrate. The white light emitting organic electroluminescent device of the present invention can eliminate the color coordinates shift phenomenon of white light that occurs in a conventional three primary color white light organic electroluminescent device. Since the aging effect caused by heat generated from light emission is reduced by dividing electroluminescent layers, the electroluminescent device can have a long lifespan. | 2009-01-01 |
20090001883 | Oleds with Increased Light Yield - The present invention relates to OLEDs which have at least one substrate, a 1st electrode, at least one organic light-emitting layer and a 2nd electrode, where either the substrate and the 1st electrode, the 2nd electrode or the substrate and the 1st and 2nd electrodes are transparent, which are characterised in that at least one transparent layer which contains transparent, preferably spherical particles, which protrude at least partially out of the at least one layer is arranged on the substrate and/or the transparent 2nd electrode, to processes for the production thereof, and to the use thereof, in particular in illumination devices and displays. | 2009-01-01 |
20090001884 | Electro-optical device, wiring substrate, and electronic apparatus - The invention provides an electro-optical device in which a voltage drop due to the wiring resistance of a cathode is reduced and therefore steady image signals are transmitted such that erroneous image display, such as low contrast, is reduced or prevented. The invention also provides an electronic apparatus including such an electro-optical device. An electro-optical device includes red, green, and blue luminescent power-supply lines to apply currents to light-emitting elements arranged in an actual display region in a matrix; and a cathode line disposed between the light-emitting elements and a cathode. The cathode line has a width larger than a width of red, green, and blue luminescent power-supply lines. | 2009-01-01 |
20090001885 | TANDEM OLED DEVICE - A tandem OLED device having two spaced electrodes comprising first and second light-emitting units disposed between the electrodes wherein each light emitting unit has at least one light emitting layer with an intermediate connector disposed between each of the light-emitting units. The intermediate connector includes an electron accepting organic layer in contact with the first light emitting unit and an n-type doped organic layer in contact with the electron accepting organic layer and the second light-emitting unit. The n-type doped organic layer includes an organic gallium complex. The devices exhibit improved stability and little change in color when current density is varied. | 2009-01-01 |
20090001886 | Light-emitting element, light-emitting device, electronic device, and method for fabricating light-emitting element - Objects of the present invention are to provide a light-emitting element that does not readily deteriorate, a light-emitting device and an electronic device that do not readily deteriorate, and a method of fabricating the light-emitting element that does not readily deteriorate. A light-emitting element having an EL layer between a pair of electrodes is covered with a layer containing an inorganic compound and halogen atoms or a layer containing an organic compound, an inorganic compound, and halogen atoms, whereby deterioration by moisture penetration can be inhibited. Thus, a light-emitting element with a long life can be obtained. | 2009-01-01 |
20090001887 | Metal Halide Lamp and Lighting Unit Utilizing the Same - An arc tube ( | 2009-01-01 |
20090001888 | Headlamp control circuit - A headlamp control circuit reduces a possibility that all headlamps become lights-out in a two-lamp system headlight, even if a switching element fails under a high-beam condition while the single switching element is driven to light two right and left high-beam filaments. A headlamp control circuit includes switch sections (SW | 2009-01-01 |
20090001889 | METHOD AND APPARATUS FOR REMOTELY MONITORING PROPERTIES OF GASES AND PLASMAS - A method and apparatus for remotely monitoring properties of gases and plasmas is disclosed. A laser beam is focused at a desired region within a gas or plasma to be analyzed, generating an ionized sample region in the gas or plasma. A beam of microwave radiation is directed toward the ionized sample region, and a portion of the microwave radiation is scattered by the ionized sample region and Doppler-shifted in frequency. The scattered, frequency-shifted microwave radiation is received by a microwave receiver, and is processed by a microwave detection system to determine properties of the gas or plasma, including velocities, temperatures, concentrations of molecular species, and other properties of the gas or plasma. | 2009-01-01 |
20090001890 | Apparatus for Plasma Processing a Substrate and a Method Thereof - An apparatus for processing a substrate includes a pulsed power supply that generates a waveform having a first period with a first power level and a second period with a second power level. A plasma source generates a first plasma during the first period and a second plasma during the second period. The first plasma may have higher plasma density than the second plasma. A bias voltage power supply generates a bias voltage waveform at an output that is electrically connected to a platen which supports a substrate. The bias voltage waveform having a first voltage and a second voltage may be coupled to the substrate. The first voltage may have more negative potential than the second voltage. | 2009-01-01 |
20090001891 | Emergency Lighting - An emergency lighting system comprising light units and sensors, such as heat detectors, smoke detectors and motion detectors, operable to activate the light units. In the preferred embodiment, the light units are operable to adopt a selected one of at least two illuminated stated depending on the state of the sensors. Each illuminated state may involve the display of a symbol, text message or illumination pattern such as an arrow or a warning indicator, and/or may involve the emission of a respective illumination colour. The emergency lighting system may be associated with a set of stairs in order to illuminate the stairs when activated. | 2009-01-01 |
20090001892 | Lighting Control System - A lighting control system ( | 2009-01-01 |
20090001893 | Method and system for luminance characterization - A system for luminance characterization of a luminaire includes a ballast coil and a multi-tap capacitor connected in series with the ballast coil. The multi-tap capacitor has a plurality of tap capacitors integrated into a capacitor housing. A plurality of switches are each coupled to one of the plurality of tap capacitors for selectively coupling the tap capacitors together to produce a multi-tap capacitance corresponding to a configuration of the plurality of switches. A lamp is connected in series with the multi-tap capacitor and the ballast coil. A photometer is located to measure light intensity of the lamp and to produce a lumen output measurement. A memory is used to store a database having a plurality of lumen output measurements, each corresponding to a multi-tap capacitance corresponding to all configurations of the plurality of switches. | 2009-01-01 |
20090001894 | METHOD FOR CALCULATING A DRIVING CURRENT OF A LIGHT SOURCE IN A SCREEN AND DISPLAY DEVICE THEREOF - A method for calculating a driving current of a light source in a screen includes detecting a light signal of a displaying light emitted from the screen, and calculating the driving current of the light source according to the light signal. | 2009-01-01 |
20090001895 | ORGANIC ELECTRO-LUMINESCENT DISPLAY DEVICE - An organic electro-luminescent display device includes barriers in a non-display area to protect a display area from water and oxygen. Barriers may include a permeation prevention barrier, a voltage contact portion, and a blocking layer. A permeation prevention barrier includes contact portions where a barrier layer having a lower permeability than a passivation layer penetrates through the passivation layer. A voltage contact portion penetrates the passivation layer so that a signal supply line contacts a conductive material. A blocking layer covers a wall, a planarization layer, and an inorganic insulation layer, and has a lower permeability than the planarization layer, the wall, and the inorganic insulation layer. The permeation prevention barrier, the voltage contact portion, and the blocking layer may be used in various combinations. | 2009-01-01 |
20090001896 | Light-Emitting Device and Method of Manufacturing the Same, and Method of Operating Manufacturing Apparatus - The inventors has been anticipated that there is no problem in employing electron gun deposition as a method of forming a metallic layer on the EL layer because the TFT is disposed blow the ET layer in the active matrix light-emitting device. However, since the TFT is extremely sensitive to ionized evaporated particles, the secondary electron, the reflecting electron, and so on generated by the electron gun, little damage was observed on the EL layer, but significant damages were found on the TFT when electron gun deposition is employed. The invention provides an active matrix light-emitting device having superior TFT characteristics (ON current, OFF to current, Vth, S-value, and so on), in which an organic compound layer and a metallic layer (cathode or anode) are formed by means of resistive heating having least influence to the TFT. | 2009-01-01 |
20090001897 | Display Device - In the case of applying the ABL control to a display device having electron emitters disposed in a matrix, voltage drop caused by the scan line resistance is corrected, thereby displaying a preferable image without a smear. A high voltage load current limiting section for calculating drive voltage alteration data based on a high voltage load current detection signal from a high voltage load current detection section, and a scan voltage correction section for calculating a scan voltage based on the drive voltage alteration data are provided, thus the scan voltage in accordance with the high voltage load current detection signal is output to a scan line selection circuit. Further, a voltage drop correction section is provided to subtract the drive voltage alteration data from the drive voltage data obtained from image data input thereto, and signal voltage data is calculated and is output to the signal line drive circuit | 2009-01-01 |
20090001898 | Cold Cathode Tube Drive Device - A cold-cathode tube driving apparatus wherein the number of booster transformers has been reduced and the increase in installation space and in cost has been suppressed. This cold-cathode tube driving apparatus comprises a booster transformer ( | 2009-01-01 |
20090001899 | Fluorescent Lamp With Built-In Anion Generator - The invention is a a fluorescent lamp with built-in anion generator. The invention includes a bulb | 2009-01-01 |
20090001900 | Device for Fluorescent Tube Armatures - The present invention relates to a device for fluorescent tube armatures, the device being intended to replace a previously occurring fluorescent tube. The device has a light emitting diode unit ( | 2009-01-01 |
20090001901 | ULTRAVIOLET LAMP SYSTEM AND METHOD FOR CONTROLLING EMITTED UV LIGHT - An ultraviolet lamp assembly and corresponding methods is operable to generate ultraviolet light for irradiating a substrate.. The lamp assembly includes a magnetron, an electrodeless lamp for emitting ultraviolet light when excited by microwave radiation generated from the magnetron, and a power control circuit arrangement configured to control an output power of the microwave radiation generated by the magnetron corresponding to the intensity of ultraviolet light produced by the lamp. A first control loop of the power control circuit is configured to regulate an input current to the magnetron based upon an input current setting associated with a desired intensity of UV light output of the lamp and a second control loop coupled to the first control loop configured to adjust the input current setting used by the first control loop to regulate the input current to the magnetron based upon an input power to the magnetron, which is proportional to the intensity of UV light output from the lamp. | 2009-01-01 |
20090001902 | High pressure discharge lamp control method - A system for providing a controllable current to a high intensity discharge lamp is provided. The system includes a current controller that is configured to receive input power and to provide an output current waveform to the high intensity discharge lamp. This current causes a discharge of light from the lamp. The output current waveform includes an absolute value amplitude in each half cycle that is generally constant during a first portion and that which increases non-linearly from the generally constant amplitude to a peak amplitude during a second portion. | 2009-01-01 |
20090001903 | Backligth module having detecting circuit and direct current voltage compensation circuit - An exemplary backlight module includes lamps ( | 2009-01-01 |
20090001904 | Ignition controller, light source, projector and ignition control method - An ignition controller that controls ignition of a discharge lamp discharging and emitting light between a pair of electrodes provided therein, the controller includes: an ignition device that ignites the discharge lamp, and a controller that controls a drive of the ignition device, in which the controller includes: a pulse applying unit that applies a high pressure pulse to the pair of electrodes by the ignition device, a direct current applying unit for applying a direct current to the pair of electrodes for a first period after applying the high pressure pulse, and an alternating current applying unit for applying a first alternating current to the pair of electrodes for a second period after the first period. | 2009-01-01 |
20090001905 | Delta-sigma signal density modulation for optical transducer control - A controller for optical transducers uses delta-sigma signal density modulation to reduce electromagnetic interference. | 2009-01-01 |